sounds like you may have a screen for a VANAGON instead of a Eurovan. I didn't even know they had them for the EV. I had one for my Vanagon Carat that I installed. I believe those are just called snap buttons but I could be wrong.

Thanks, Spectaculiciousnes.
They have two kinds of MQ nets for T4, 91-96 old and 96+. I ordered 91-96 old. I haven't made an order mistake. Even though they may have sent the wrong item, they have no intention of paying the both-way mailing cost from Germany. they never speak up. I was really disappointed in this shop. I said to them, "Please send the special buttons, I fix by myself". they never reply....
Any way, I searched to various words and phrases. reversible snaps, studs, two way snaps, both sides.......
but I was not able to find it.
Thanks again,

Thanks for the info.
Sorry,I'm afraid I didn't explain it clearly. I got these buttons in a local boat shop and sewing notions store, I use aluminum rivet and fix them but no good. I want to put on a male to one side and to attach a female to another side. I looking for male dot with hollow post.

There is no contact from a Günzl Classic Parts Germany, vwbusshop yet, one month have passed.
May be they sent wrong items 96+,they do not want to pay the high mailing cost of both ways. they never speak up.
TOO BAAAD CUSTOMER SERVICE.

Thank you

Thank you for that important info. I was actually looking for those Gypsy Studs myself. And I also want to make mosquito screen for sliding door. I have 1993 VW Eurovan MV Westfalia Weakender. Is it same or similar to yours? Can you share you experience or sewing instructions, patterns etc? I'll be very thankful!